1. Universidad de Costa Rica, Costa Rica
2. University of California, Berkeley
3. Institute of Clinical Medicine, University of Eastern Finland, Kuopio
4. Department of Psychiatry, Kuopio University Hospital, Finland
5. Department of Psychiatry, South-Savonia Hospital District, Mikkeli, Finland
6. Department of Psychiatry, North Karelia Central Hospital, Joensuu, Finland
7. Department of Psychiatry, SOSTERI, Savonlinna, Finland